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User Manual - Page 1
438-II
Motor Analyzer
Users Manual
March 2016 Rev. 1, 10/17
©2016-2017 Fluke Corporation. All product names are trademarks of their respective companies. All rights reserved.
User Manual - Page 2
... an implied warranty, or exclusion or limitation of incidental or consequential damages, the limitations and exclusions of repair/replacement parts when product purchased in transit. If any other provision.
To obtain warranty service, contact your nearest Fluke authorized service center to obtain return authorization information, then send the product to every buyer. Following...
User Manual - Page 3
Table of Contents
Title
Page
Introduction 1 How to Contact Fluke 1 Safety Information 2 In The Box 2 Motor Measurements 3 Motor Setup 4
Unit Setup 6 Set Analyzer Limits 7 Trend Setup 7 Motor Analyzer Parameters 8 Mechanical Parameters 8 Electrical Parameters 9 View Analyzer Limit 9 Meter Screen 10 Trend 11 Derating Screen 12
Voltage Unbalance 12 Voltage Harmonics 13
i
User Manual - Page 4
438-II Users Manual
ii
User Manual - Page 5
... go to the SETUP menu to specify a supported configuration: • 3-phase Delta • 3-phase Open Leg • 3-phase IT • 2-Element
How to use additional mechanical sensors or shut down the process. Introduction
The Motor Analyzer is a feature that measures mechanical power, torque, and rpm on direct-on the Fluke 438-II and available as...
User Manual - Page 6
... • Comply with Manuals (Multi-Language), PowerLog Software, and USB drivers • USB Interface ...II/435-II/437-II Users Manual for Input Sockets (EU & UK, EU, China, UK, US, Canada) • Hang Strap • Alligator Clips (set of 5) • Test Leads, 2.5 m + Color Coding Clips (set of Symbols used on the Product. In The Box
The Motor Analyzer Kit includes: • 438 Series II...
User Manual - Page 7
...
NA
[1] Add 5% error when selecting Motor design type Other Specification valid for the specifications of the Motor Analyzer-specific functions. Motor Analyzer Motor Measurements
Motor Measurements
Table 1 is a list of the range and accuracy of the other functions.
See Specifications in the Fluke 430 Series II Users Manual for Motor Power >30 % of supported motors: Table 1. Table...
User Manual - Page 8
...supported motor operating ranges. When set to Other, you enter the nameplate settings accurately to open the Motor Setup... electrical signals that you must consider an additional error of +5 % for variable speed drives. This...supports motor designs according to enter the motor nameplate parameters. 438-II Users Manual
Motor Setup
The motor nameplate provides information for measurements.
User Manual - Page 9
...Settings and Ranges
Required from motor nameplate
Rated Power
Rated Speed Direct on the default motor frequency. Softkeys:
Select UNIT SETUP screen
Select TREND SETUP screen Select DEFAULTS for the mechanical motor power, torque, and the default motor frequency. Use (UNIT SETUP) to open the setup... Cos Q (DPF) Rated Service Factor
Motor Design Type
746 ...
User Manual - Page 10
... HZ DEFAULTS BACK
Sets the Analyzer Limits. 438-II Users Manual
See Table 7 for a 50 Hz motor. Table 7. Sets the default values for a list of the supported VSDs. Note
When you change the 50 Hz or 60 Hz DEFAULTS, go to the Motor Setup screen to set the analyzer limits and defaults. Supported Variable Speed Drives
Drive Characteristics...
User Manual - Page 11
... Parameters on page 8 for more information.
Default is not available. Use to change : 1. The TREND resolution is information about the available memory space (43X-series II standard feature). Motor Analyzer Motor Setup
Set Analyzer Limits
You can adjust the duration of the TREND. The top line is fixed at 1s. Trend...
User Manual - Page 12
438-II Users Manual
Motor Analyzer Parameters
The MOTOR ANALYZER screen shows the important mechanical and electrical parameters relative to the MOTOR SETUP screen. 2. Press (START... limits, press to move between the screens for electrical and mechanical parameters.
See Set Analyzer Limits on page 7.
8
The actual value for each parameter shows in the appropriate ...
User Manual - Page 14
...no unit
Cos φ/DPF
no unit
The other parameters are existing logger parameters in , see Unit Setup on page 6.
Speed Efficiency Frequency Harmonics (HVF) NEMA Unbalance (%) NEMA Harmonics Derating Factor (HDF) ...
(k)A
Volt THD%x
%
Amp THD%x
%
Unbalance
%
10
438-II Users Manual
Meter Screen
The METER screen shows all measurements in the Motor Analyzer mode as a table view.
User Manual - Page 16
...same conditions with normal starting torque and is implemented in the power system. The following derating curve is set to a polyphase induction motor are unbalanced, the permissible motor load should be derated. The NEMA standard ...motors to the characteristics of voltage unbalance will result.
438-II Users Manual
Derating Screen
NEMA has guidelines for motors with balanced voltages.
User Manual - Page 18
...green area indicates a motor that plots the cross-hair center in the Motor Setup screen).
The yellow area indicates the permissible Service Factor area (the Service Factor is from the nameplate on the motor and entered in blue color ....
The red area indicates the overload area for the motor. 438-II Users Manual
The actual load and derating factor is indicated with .
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